Circumference and Area of Circles
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the radius of a circle?
Back
A line from the center point to the edge of the circle.
2.
FLASHCARD QUESTION
Front
What is the formula to calculate the circumference of a circle?
Back
Circumference = 2 × π × radius.
Tags
CCSS.7.G.B.4
3.
FLASHCARD QUESTION
Front
If the radius of a circle is 7 cm, what is its circumference?
Back
43.98 cm.
Tags
CCSS.7.G.B.4
4.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The distance from an edge of a circle to another edge through the center.
5.
FLASHCARD QUESTION
Front
What is the formula to calculate the area of a circle?
Back
Area = π × radius².
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
If the radius of a circle is 5 cm, what is its area?
Back
78.54 cm².
Tags
CCSS.7.G.B.4
7.
FLASHCARD QUESTION
Front
What does π (pi) represent in circle calculations?
Back
The ratio of the circumference of a circle to its diameter, approximately 3.14.
Tags
CCSS.HSG.GMD.A.1
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